Medical crews respond to multiple shootings and at least one stabbing Saturday during the Colorado Motorcycle Expo at the Denver Coliseum. (Denver Police Department)

(Newser)
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At least one person is dead following an outbreak of violence that involved multiple shootings Saturday afternoon at the Colorado Motorcycle Expo, the Denver Post reports. Multiple people were shot and at least one person was stabbed outside the Denver Coliseum around 1pm local time, according to 9News. A witness tells the Post the incident was a beef between rival motorcycle gangs. At least nine people were hospitalized. And CBS Denver reports multiple officers were seen patrolling outside Denver Health Medical Center. The event was shut down, and police escorted people out of the Coliseum, according to the Post. Many seemed upset at being forced to leave the event. No arrests have been announced so far.

"Members of two rival motorcycle clubs — one largely made up of police officers — are blaming each other for a fight Saturday that left one man dead and seven others shot or stabbed." http://www.denverpost.com/news/ci_29456619/motorcycle-club-lawyer-members-attacked-by-rival-gangs